phyllosilicates, kalsit
basalt alkalin, boninite, basalt alumina dhuwur, agêng segara Pegunungan basalt (morb), basalt tholeiitic, basaltic trachyandesite, mugearite lan shoshonite
tuan rumah rock kanggo timbal
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki